Respiratory device



FIG. 1 is a left-front perspective view of the respiratory device;

FIG. 2 is a right-front perspective view of the respiratory device;

FIG. 3 is a right-side view of the respiratory device;

FIG. 4 is a left-side view of the respiratory device;

FIG. 5 is a front view of the respiratory device;

FIG. 6 is a top view of the respiratory device;

FIG. 7 is a rear view of the respiratory device; and,

FIG. 8 is a bottom view of the respiratory device.

The ornamental design for a respiratory device, as shown and described.